1 files changed, 136 insertions, 0 deletions
diff --git a/library/cryptojs/components/sha1.js b/library/cryptojs/components/sha1.js
new file mode 100644
index 000000000..01861f472
--- /dev/null
+++ b/library/cryptojs/components/sha1.js
@@ -0,0 +1,136 @@
+/*
+CryptoJS v3.1.2
+code.google.com/p/crypto-js
+(c) 2009-2013 by Jeff Mott. All rights reserved.
+code.google.com/p/crypto-js/wiki/License
+*/
+(function () {
+    // Shortcuts
+    var C = CryptoJS;
+    var C_lib = C.lib;
+    var WordArray = C_lib.WordArray;
+    var Hasher = C_lib.Hasher;
+    var C_algo = C.algo;
+
+    // Reusable object
+    var W = [];
+
+    /**
+     * SHA-1 hash algorithm.
+     */
+    var SHA1 = C_algo.SHA1 = Hasher.extend({
+        _doReset: function () {
+            this._hash = new WordArray.init([
+                0x67452301, 0xefcdab89,
+                0x98badcfe, 0x10325476,
+                0xc3d2e1f0
+            ]);
+        },
+
+        _doProcessBlock: function (M, offset) {
+            // Shortcut
+            var H = this._hash.words;
+
+            // Working variables
+            var a = H[0];
+            var b = H[1];
+            var c = H[2];
+            var d = H[3];
+            var e = H[4];
+
+            // Computation
+            for (var i = 0; i < 80; i++) {
+                if (i < 16) {
+                    W[i] = M[offset + i] | 0;
+                } else {
+                    var n = W[i - 3] ^ W[i - 8] ^ W[i - 14] ^ W[i - 16];
+                    W[i] = (n << 1) | (n >>> 31);
+                }
+
+                var t = ((a << 5) | (a >>> 27)) + e + W[i];
+                if (i < 20) {
+                    t += ((b & c) | (~b & d)) + 0x5a827999;
+                } else if (i < 40) {
+                    t += (b ^ c ^ d) + 0x6ed9eba1;
+                } else if (i < 60) {
+                    t += ((b & c) | (b & d) | (c & d)) - 0x70e44324;
+                } else /* if (i < 80) */ {
+                    t += (b ^ c ^ d) - 0x359d3e2a;
+                }
+
+                e = d;
+                d = c;
+                c = (b << 30) | (b >>> 2);
+                b = a;
+                a = t;
+            }
+
+            // Intermediate hash value
+            H[0] = (H[0] + a) | 0;
+            H[1] = (H[1] + b) | 0;
+            H[2] = (H[2] + c) | 0;
+            H[3] = (H[3] + d) | 0;
+            H[4] = (H[4] + e) | 0;
+        },
+
+        _doFinalize: function () {
+            // Shortcuts
+            var data = this._data;
+            var dataWords = data.words;
+
+            var nBitsTotal = this._nDataBytes * 8;
+            var nBitsLeft = data.sigBytes * 8;
+
+            // Add padding
+            dataWords[nBitsLeft >>> 5] |= 0x80 << (24 - nBitsLeft % 32);
+            dataWords[(((nBitsLeft + 64) >>> 9) << 4) + 14] = Math.floor(nBitsTotal / 0x100000000);
+            dataWords[(((nBitsLeft + 64) >>> 9) << 4) + 15] = nBitsTotal;
+            data.sigBytes = dataWords.length * 4;
+
+            // Hash final blocks
+            this._process();
+
+            // Return final computed hash
+            return this._hash;
+        },
+
+        clone: function () {
+            var clone = Hasher.clone.call(this);
+            clone._hash = this._hash.clone();
+
+            return clone;
+        }
+    });
+
+    /**
+     * Shortcut function to the hasher's object interface.
+     *
+     * @param {WordArray|string} message The message to hash.
+     *
+     * @return {WordArray} The hash.
+     *
+     * @static
+     *
+     * @example
+     *
+     *     var hash = CryptoJS.SHA1('message');
+     *     var hash = CryptoJS.SHA1(wordArray);
+     */
+    C.SHA1 = Hasher._createHelper(SHA1);
+
+    /**
+     * Shortcut function to the HMAC's object interface.
+     *
+     * @param {WordArray|string} message The message to hash.
+     * @param {WordArray|string} key The secret key.
+     *
+     * @return {WordArray} The HMAC.
+     *
+     * @static
+     *
+     * @example
+     *
+     *     var hmac = CryptoJS.HmacSHA1(message, key);
+     */
+    C.HmacSHA1 = Hasher._createHmacHelper(SHA1);
+}());